kravietz, #Poland native #nuclear reactor design.
Wondering why so small? Poland seriously considers retrofitting its existing thermal power plants running on coal with small nuclear reactors, thus preserving all the existing generation, heating and distribution infrastructure, minus coal. 30 MW sounds like perfect replacement for the existing coal reactors.
Additionally, a number of chemical plants consider obtaining power and heating (hot steam) from nuclear power, and this design seems to respond to this demand perfectly. It's also very safe.
> The conceptual design of a new Polish high-temperature research reactor, developed by the National Centre for Nuclear Research (NCBJ), has been unveiled. Developed with input from Japan, the reactor could be built in Poland at the NCBJ.
> The helium-cooled reactor - measuring 12.3 metres in height and with a diameter of 4.1 metres - will provide 30 MW of thermal power. It will feature a prismatic-type core consisting of hexagonal blocks. Moderated with graphite, the reactor will use TRISO-type fuel with 8-12% enrichment. The primary forced circulation helium cooling circuit will operate at a pressure of 6 MPa. The helium temperature at the reactor outlet will be 750°C, at the inlet 325°C. The reactor will feature passive and active safety systems, with a planned lifetime of 60 years.
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